Analyzing prices of truly homogenous consumer goods sold in Euroland, we find significant price convergence after the Euro cash changeover in 2002. The deviation of national log prices from the mean log price of the same product is much narrower with the Euro than before. We observe Sigma and...

This paper investigates whether the 'big tradeoff' between efficiency and inequality exists, and analyzes empirically the relationship between inequality, redistribution, and employment/unemployment. The analysis is based on a cross-country longitudinal data set (panel data) of 21 OECD countries...

The rational expectations hypothesis (REH) is based on two assumptions. The first is that, economic agents learn through experience how to avoid systematic errors. The second is that these errors are identified with reference to a model. Imperfect information may lead economic agents to...

Expansionary macroeconomic policy is ineffective because, according to the policy ineffectiveness hypothesis (PIH), which is based on the rational expectations hypothesis (REH), it does not affect the real economy. This conclusion is false for several reasons. In their critique on Keynes '...

After the publication of Keynes' "General Theory," economics was frequently described as schizophrenia: (neo-) classical at the micro-level, but Keynesian at the macro-level. In actuality, Keynes' revolution was, to a substantial part, based on the behavioral micro-foundations of the world we...

Keynes' General Theory (GT) ist in zweierlei Hinsicht umfassender als das (neo-) klassische Modell: (1) sie schließt das Vollbeschäftigungsgleichgewicht als Sonderfall ein und (2) sie basiert auf realistischem mikroökonomischem Verhalten, dessen sozial isolierter, den Eigennutz maximierender...

Behavioral economics, the analysis of economic decisions, has made enormous progress over the last decades and became accepted as a major field in economics. How is behavioral economics to be compared to the neoclassical model? As a revision of the neoclassical model enhancing the set of...

The current crisis is like an earthquake for the theoretical foundations of economic policies, which have guided governments and central banks for the last few decades. The efficient market hypothesis and its application to labor markets -'natural rate theory'- dominated interpretations of...

Are efficiency improvements in the use of natural resources the key for sustainable development, are they the solution to environmental problems, or will second round effects -so-called rebound effects- compensate or even overcompensate potential savings, will they fire back? The answer to this...

Nahezu alle Institutionen -Kündigungsschutz, Gewerkschaften, Lohnspreizung, Arbeitslosenversicherung etc.- wurde verdächtigt und schuldig gesprochen die tragische Entwicklung der Arbeitslosigkeit in Europa verursacht zu haben. US-amerikanische Arbeitsmarktinstitutionen wurden zum Benchmark...